

package cn.edu.nsmc.common.utils;

import lombok.Data;
import org.apache.http.HttpStatus;

import java.util.HashMap;
import java.util.Map;

/**
 * 返回数据
 *
 *
 */
@Data
public class R extends HashMap<String, Object> {
	private static final long serialVersionUID = 1L;

	private Integer code;
	private String msg;
	private Object data;
	private Integer total;
	//分页查询
	public static R page(String msg,Object data,Integer total){
		R r = new R();
		r.put("msg",msg);
		r.put("data",data);
		r.put("total",total);
		r.put("code",1);
		return r;
	}

	public static R success(String msg,Object data){
		R r = new R();
		r.put("code",1);
		r.put("data",data);
		r.put("msg",msg);
		return r;
	}
	public R() {
		put("code", 0);
		put("msg", "success");
	}

	public static R error() {
		return error(HttpStatus.SC_INTERNAL_SERVER_ERROR, "未知异常，请联系管理员");
	}

	public static R error(String msg) {
		return error(HttpStatus.SC_INTERNAL_SERVER_ERROR, msg);
	}

	public static R error(int code, String msg) {
		R r = new R();
		r.put("code", code);
		r.put("msg", msg);
		return r;
	}

	public static R ok(String msg) {
		R r = new R();
		r.put("msg", msg);
		return r;
	}


	public static R ok(Map<String, Object> map) {
		R r = new R();
		r.putAll(map);
		return r;
	}

	public static R ok() {
		return new R();
	}

	public R put(String key, Object value) {
		super.put(key, value);
		return this;
	}

}
